Prerequisites
- Cayth, Famed Mechanist on the battlefield
- Yahenni, Undying Partisan on the battlefield
- The persist creature does not have a -1/-1 counter on it
Steps
- Activate Yahenni by sacrificing the persist creature
- When the persist creature dies, its persist ability triggers, returning it from your graveyard to the battlefield with a -1/-1 counter on it
- When the persist creature enters the battlefield, its fabricate ability triggers, putting a +1/+1 counter on it
- Resolve the Yahenni ability, giving it indestructible until end of turn
- Repeat
Results
Required Cards 2
Cayth, Famed Mechanist
Legendary Creature — Dwarf Artificer
Yahenni, Undying Partisan
Legendary Creature — Aetherborn Vampire